Berkeley, CA: University of California, 1911.
Softcover. Near fine. 167 pp, with foldout frontispiece. One small chip to title page, otherwise as new. Text is in English and Spanish. "The diary of Miguel Costansó, the engineer attached to the Portolá Expedition, covers the period from July 14, 1769, to January 24, 1770. It is entirely distinct from the Diario Histórico of the same author, and has not hitherto been printed" (Introduction).